| Characteristic | Commercial | Residential |
|---|---|---|
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
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Source
Release date
May 2020
Region
North America
Survey time period
2015 to 2019
Supplementary notes
Values prior to 2019 were taken from previous editions which can be accessed .
Values have been calculated by ÌÇÐÄÆÆ½â°æ using the total revenue and revenue percentages per service provided by the source.
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